Early builds of CyanogenMod 10 have sprung up to enable users to get that buttery-smooth Jelly Bean experience onto your Samsung Galaxy S III. Work is further along on the international edition of the quad-core CPU, while the US variants are still in need of some work. That said, if you're determined to free yourself from the watery shackles of Nature UX, you can get started right away -- but it might not be all that polished just yet.